Open AccessQ-switched erbium-doped fiber lasers based on copper nanoparticles saturable absorber
Author(s) -
Ezzatul Irradah Ismail,
Fauzan Ahmad,
Sumiaty Ambran,
Anas Abdul Latiff,
Sulaiman Wadi Harun
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1371/1/012028
Subject(s) - saturable absorption , materials science , fiber laser , polyvinyl alcohol , laser , q switching , pulse duration , erbium , nanoparticle , optoelectronics , copper , doping , wavelength , pulse width modulation , fiber , optics , power (physics) , nanotechnology , composite material , physics , metallurgy , quantum mechanics
We reported a generation of passively Q-switching pulses in an erbium-doped fiber laser by exploiting copper nanoparticles polyvinyl alcohol polymer composite (CuNP-PVA) based saturable absorber (SA). The modulation depth and the saturation power intensity of the CuNP-PVA film are calculated as 18 % and 0.021 kW/cm 2 , respectively. A maximum repetition rate of 104.2 kHz, the shortest pulse width of 5.1 µs and pulse energy up to 20.4 nJ was observed at 1558 nm wavelength.